Linux Systems Administrator

CACI International; New York (NY); On-site; USD 75,000 - 158,000; Full time

Job summary

CAC I International is seeking a Linux Systems Administrator to support mission-critical environments with hands-on Linux administration. The role requires 5+ years of experience and TS/SCI with poly clearance, with coverage during standard hours and a 24x7 on-call rotation.

This position may be located across multiple US locations, including New York, and offers full-time employment with competitive benefits and a focus on reliability and security in national missions.

Qualifications

• 5+ years of Linux systems administration experience.
• Must have TS/SCI with poly clearance.
• Experience supporting mission-critical environments and applications.

Responsibilities

• Perform command-line system administration and manage data and messaging flows.
• Provide 24x7 on-call support on a rotating schedule.
• Ensure coverage during standard business hours and coordinate with team for full coverage.

Skills

Linux administration

TS/SCI with poly

On-call support

Troubleshooting

Job description

Job Title: Linux Systems Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

* * *

At CACI - Our mission is to get data to those who need it 24x7x365. This contract provides world-wide, enterprise-scaled corporate data transport and messaging services that are highly available, reliable, and fault tolerant. This effort provides world-wide, enterprise-scaled corporate data transport and messaging services that are highly available, reliable, and fault tolerant. This position provides support for the following mission-critical organizations, Y4211/ Enterprise Transport and Routing (ETR), Y4212/ Application Messaging Framework (AMF), and Y4213/ Information Transport Services (ITS). Y421 transports critical data to protect U.S. national security interests, the Warfighter, and civilians. Ultimately, U.S. and Allied Forces lives depend on Y421 services, and this contract is a critical contributor to successfully executing this mission.

We are looking for a Linux systems administrator and operational support for mission-critical environments, including command-line system administration and application, data, and messaging flow management. The candidate should have solid, hands‑on Linux administration experience and be comfortable independently troubleshooting and resolving routine to moderately complex system issues.

Operations Coverage:
Standard business-day coverage is 6:00 AM–6:00 PM, with team members coordinating schedules to collectively provide full coverage.
Provides 24x7 after‑hours on‑call support through a rotating schedule, typically with each team member serving as primary on‑call approximately every 5-6 weeks.
On‑call support compensation and extended coverage compensation is provided.

5+ years experience required. TS/SCI w/poly is also required.

What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high‑performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

At CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation’s most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$75,200-$158,100

CACI is anEqualOpportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any otherprotectedcharacteristic.